Black-naped Tern vs Chilean Dolphin

Sterna sumatrana compared with Cephalorhynchus eutropia

Key Differences

• Black-naped Tern is Least Concern while Chilean Dolphin is Near Threatened.

Taxonomic Classification

Rank	Black-naped Tern	Chilean Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Cetacea (Whales & Dolphins)
Family	Laridae	Delphinidae (Oceanic Dolphins)
Genus	Sterna	Cephalorhynchus
Species	Sterna sumatrana	Cephalorhynchus eutropia

Evolutionary Relationship

Black-naped Tern and Chilean Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-naped Tern

LC — Least Concern

Chilean Dolphin

NT — Near Threatened

Physical Characteristics

Attribute	Black-naped Tern	Chilean Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-naped Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

Chilean Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-naped Tern

The Black-naped Tern (Sterna sumatrana) is a species in the genus Sterna. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Chilean Dolphin

The Chilean Dolphin (Cephalorhynchus eutropia) is a species in the genus Cephalorhynchus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.